A self-contained Circular Vibratory Screener-Fluid Bed Dryer System from Kason Corporation removes oversize and undersize material, and dries on-size material. The pre-packaged system scalps and de-dusts 2500 to 3000 lbs (1134 to 1361 kg) of bulk material per hour using a double-deck, 30 in. (762 mm) diameter circular vibratory screener, and then dries the material in a 40 in. (1016 mm) diameter circular vibratory fluid bed processing system. The screener is equipped with an imbalanced-weight gyratory motor that vibrates the screening chamber, which is suspended on springs. Oversize particles travel in controlled spiral pathways from the center of the upper screen to a spout at the screen''s periphery where they are discharged for reprocessing.